Skip to content

Instantly share code, notes, and snippets.

class Node {
constructor (val) {
this.val = val;
this.prev = null;
this.next = null;
}
}
class DoublyLinkedList {
constructor () {
@ericnormand
ericnormand / 00_script.clj
Last active April 23, 2025 16:46
Boilerplate for running Clojure as a shebang script
#!/bin/sh
#_(
#_DEPS is same format as deps.edn. Multiline is okay.
DEPS='
{:deps {clj-time {:mvn/version "0.14.2"}}}
'
#_You can put other options here
OPTS='
@pesterhazy
pesterhazy / promises-passing-values.cljs
Last active October 24, 2021 00:55
Promise chains in ClojureScript and the problem of previous values
(ns my.promises
"Demo to show different approaches to handling promise chains in ClojureScript
In particular, this file investigates how to pass data between Promise
callbacks in a chain.
See Axel Rauschmayer's post
http://2ality.com/2017/08/promise-callback-data-flow.html for a problem
statement.
@rpanachi
rpanachi / db.rake
Created April 10, 2016 21:26
Rakefile for Sequel database operations
namespace :db do
require 'sequel'
Sequel.extension(:migration)
MIGRATIONS_PATH = 'db/migrations'
def db_conn_env
ENV["BOOKSHELF_DATABASE_URL"]
end
@esamattis
esamattis / WebViewAutoHeight.js
Last active February 11, 2022 16:01
React native: Is it possible to have the height of a html content in a webview? http://stackoverflow.com/q/32952270
/*
DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
Version 2, December 2004
Copyright (C) 2016 Esa-Matti Suuronen <esa-matti@suuronen.org>
Everyone is permitted to copy and distribute verbatim or modified
copies of this license document, and changing it is allowed as long
as the name is changed.
@bitjockey42
bitjockey42 / 00_OSX_Docker_Machine_Setup.md
Last active November 9, 2020 13:49 — forked from andystanton/Start up local Docker Machine on OSX automatically.md
Use native virtualization on OS X docker with xhyve

What this?

So one of the painful points of using docker on OS X is that you need to run a virtualbox VM, which often suffers from performance issues. With xhyve, a OS X virtualization system, and docker-machine-xhyve you can now have docker use the native OS X hypervisor to run containers.

No more dealing with virtualbox shenanigans!

In this script, I've also set up a way to autoconfigure terminal sessions to load docker's environment vars (dependent on docker-machine) so you do not have to run eval $(docker-machine env whatever) every time you open a new terminal window.

Requirements

@cb372
cb372 / jargon.md
Last active May 14, 2024 03:45
Category theory jargon cheat sheet

Category theory jargon cheat sheet

A primer/refresher on the category theory concepts that most commonly crop up in conversations about Scala or FP. (Because it's embarassing when I forget this stuff!)

I'll be assuming Scalaz imports in code samples, and some of the code may be pseudo-Scala.

Functor

A functor is something that supports map.

@robertjpayne
robertjpayne / RCTSwiftBridgeModule.h
Last active January 17, 2024 11:43
React Native - Swift Native Modules
#import <Foundation/Foundation.h>
#import "RCTBridgeModule.h"
#define RCT_EXTERN_MODULE(objc_name, objc_supername) \
RCT_EXTERN_REMAP_MODULE(objc_name, objc_name, objc_supername)
#define RCT_EXTERN_REMAP_MODULE(js_name, objc_name, objc_supername) \
objc_name : objc_supername \
@end \
@interface objc_name (RCTExternModule) <RCTBridgeModule> \
@jsdf
jsdf / ReactNativeRefreshableListView.js
Last active September 15, 2023 07:29
React Native pull down to refresh ListView
// for an updated version see https://github.com/jsdf/react-native-refreshable-listview
var React = require('react-native')
var {
ListView,
ActivityIndicatorIOS,
StyleSheet,
View,
Text,
} = React